Google is currently the world's most popular search engine for both casual web surfers and webmasters alike. It processes 150 million search requests daily, accounting for nearly one-third of all searches globally. Web surfers favor Google due to its fast search speed and highly relevant search results. These advantages stem from Google's sophisticated text-matching algorithms and the Pagerank? system used in its search program, which is based on page-level technology. Below, we will introduce the Pagerank? system of Google.